1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * cmd_thordown.c -- USB TIZEN "THOR" Downloader gadget 4 * 5 * Copyright (C) 2013 Lukasz Majewski <l.majewski@samsung.com> 6 * All rights reserved. 7 */ 8 9#include <common.h> 10#include <command.h> 11#include <thor.h> 12#include <dfu.h> 13#include <g_dnl.h> 14#include <usb.h> 15#include <linux/printk.h> 16 17int do_thor_down(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) 18{ 19 char *interface, *devstring; 20 int controller_index; 21 struct udevice *udc; 22 int ret; 23 24 if (argc < 4) 25 return CMD_RET_USAGE; 26 27 puts("TIZEN \"THOR\" Downloader\n"); 28 29 interface = argv[2]; 30 devstring = argv[3]; 31 32 ret = dfu_init_env_entities(interface, devstring); 33 if (ret) 34 goto done; 35 36 controller_index = simple_strtoul(argv[1], NULL, 0); 37 ret = udc_device_get_by_index(controller_index, &udc); 38 if (ret) { 39 pr_err("USB init failed: %d\n", ret); 40 ret = CMD_RET_FAILURE; 41 goto exit; 42 } 43 44 ret = g_dnl_register("usb_dnl_thor"); 45 if (ret) { 46 pr_err("g_dnl_register failed %d\n", ret); 47 ret = CMD_RET_FAILURE; 48 goto exit; 49 } 50 51 ret = thor_init(udc); 52 if (ret) { 53 pr_err("THOR DOWNLOAD failed: %d\n", ret); 54 ret = CMD_RET_FAILURE; 55 goto exit; 56 } 57 58 do { 59 ret = thor_handle(udc); 60 if (ret == THOR_DFU_REINIT_NEEDED) { 61 dfu_free_entities(); 62 ret = dfu_init_env_entities(interface, devstring); 63 } 64 if (ret) { 65 pr_err("THOR failed: %d\n", ret); 66 ret = CMD_RET_FAILURE; 67 goto exit; 68 } 69 } while (ret == 0); 70exit: 71 g_dnl_unregister(); 72 udc_device_put(udc); 73done: 74 dfu_free_entities(); 75 76 return ret; 77} 78 79U_BOOT_CMD(thordown, CONFIG_SYS_MAXARGS, 1, do_thor_down, 80 "TIZEN \"THOR\" downloader", 81 "<USB_controller> <interface> <dev>\n" 82 " - device software upgrade via LTHOR TIZEN download\n" 83 " program via <USB_controller> on device <dev>,\n" 84 " attached to interface <interface>\n" 85); 86